Set of Pistons

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OldFarmTruck22
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Set of Pistons

Post by OldFarmTruck22 » Tue Mar 22, 2022 9:30 am

Looking for a set of #P5249907 pistons for AMC 360.
Rings #4876959

Hit me up if you know about any.
78 FSJ AMC 360 Quadratrac

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mwray8909
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Re: Set of Pistons

Post by mwray8909 » Sat Jun 25, 2022 11:45 am

Where are you located?

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mwray8909
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Re: Set of Pistons

Post by mwray8909 » Thu Jun 30, 2022 3:02 pm

OldFarmTruck22 wrote:Looking for a set of #P5249907 pistons for AMC 360.
Rings #4876959

Hit me up if you know about any.
I'm going to be breaking down my 360 for parts If you are still interested.

Sent from my SM-G975U using Tapatalk



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OldFarmTruck22
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Re: Set of Pistons

Post by OldFarmTruck22 » Wed Oct 05, 2022 2:40 pm

mwray8909,
do you have the pistons that I'm looking for?
The part numbers are specific to a certain piston.
Let me know, Thanks.
78 FSJ AMC 360 Quadratrac

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Stuka
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Re: Set of Pistons

Post by Stuka » Wed Oct 05, 2022 3:01 pm

OldFarmTruck22 wrote:
Wed Oct 05, 2022 2:40 pm
mwray8909,
do you have the pistons that I'm looking for?
The part numbers are specific to a certain piston.
Let me know, Thanks.
More details on what you are looking for would help. The ONLY reference I can find for that piston PN is from a really old Mopar Performance Parts book: DCC-5249907 ~91 5.9 cast piston, 4.11" bore flattop

And is for an .030 over bore (stock bore being 4.08). But the chances of finding these is nearly zero, as Mopar has not made AMC engine parts for ages. But there are lots of other options for pistons these days.
2017 JKU Rubicon Lifted and stuff
Pevious Jeeps: 1981 J10, 1975 Cherokee, 2008 JK, 2005 KJ, 1989 XJ


rocklaurence
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Re: Set of Pistons

Post by rocklaurence » Thu Oct 06, 2022 1:57 pm

Post what year your engine is which will identify the Heads/chamber volumes. Im not sure but from 1980-up had the same compression-piston/and heads. Unless, these pistons are not OEM originals/bore. Then its more likely to just buy a new set to match what your looking for.


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OldFarmTruck22
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Re: Set of Pistons

Post by OldFarmTruck22 » Mon Oct 10, 2022 5:01 am

The pistons I want are stamped with that part number. 1978 I know that they are .030 over.
thanks
78 FSJ AMC 360 Quadratrac

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Stuka
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Re: Set of Pistons

Post by Stuka » Mon Oct 10, 2022 6:44 am

You may get lucky and find a set, but as far as I can tell, they have not been made for 20+ years. If you do find a full set, and one as an issue, the chances of finding one more are really small. Summit (and others) sell several readily available pistons for AMC V8s, that are covered by warranty, and in the event one is bad, you can easily get a replacement.
2017 JKU Rubicon Lifted and stuff
Pevious Jeeps: 1981 J10, 1975 Cherokee, 2008 JK, 2005 KJ, 1989 XJ


Topic author
OldFarmTruck22
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Re: Set of Pistons

Post by OldFarmTruck22 » Tue Nov 22, 2022 11:39 am

Yep, these are a Mopar performance part. .030 over and a little bump in compression. Just putting a feeler out there for any collector who might have a set.
78 FSJ AMC 360 Quadratrac

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